Home / 10,891.08-16,342.20-10,074.60

Finding the Fourth Proportional to 10,891.08, 16,342.20 and 10,074.60

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Solution

The fourth proportional to 10,891.08, 16,342.20 and 10,074.60 is: 15,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.08 : 16,342.20 = 10,074.60 : x
  2. Step 2: Convert to fraction form
    10,891.08/16,342.20 = 10,074.60/x
  3. Step 3: Cross multiply
    10,891.08x = 16,342.20 × 10,074.60
  4. Step 4: Simplify right side
    10,891.08x = 164,641,128.12
  5. Step 5: Solve for x
    x = 164,641,128.12/10,891.08
  6. Step 6: Final answer
    x = 15,117.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.